Medications
Learning Center
Canker sore
Canker sore — Learn about the causes, treatment and prevention of this painful mouth sore.
Cardiac resynchronization therapy
This heart failure treatment uses a pacemaker or a pacemaker with a defibrillator. Know when the treatment is needed.
Cardiopulmonary resuscitation (CPR): First aid
Do you know how to perform cardiopulmonary resuscitation (CPR)?
Carotid endarterectomy
This procedure removes plaque buildup in the carotid artery to help reduce your risk of stroke.
Carotid ultrasound
This test examines the blood flow through the arteries in the neck that deliver blood from the heart to the brain.
Cataract surgery
Cataract surgery — Overview covers risks, complications, results of this eye surgery.
Cataracts
Are things starting to look fuzzy or blurry? Find out about symptoms, diagnosis and treatment for this common eye condition.
Cavities and tooth decay
These areas in the hard surface of your teeth are tiny openings or holes due to damage from tooth decay. This can lead to pain, infection and tooth loss.
Cervical cancer
Screening with Pap tests can reduce the risk of this cancer that begins in the cervix. Learn more about symptoms, causes, prevention and treatment.
Cervical spondylosis
As people age, the spinal disks in the neck shrink and bone spurs often develop. If symptoms occur, nonsurgical treatments are usually effective.
Refine Your Search
Type
Gender
Age
- All
- 45 to 64 middle
- 65 to 80 older
- 19 to 44 younger
- 80 and over
- 13 to 18 years teen
- 06 to 12 years elementary/preteen
- 03 to 5 years preschool
- 02 months to 2 years infant/toddler
- 29 to 40 middle
- 00 birth to 01 month newborn
- 16 months to 2 years toddler
- 16 years
- 18 years